<template>
  <div class="list" ref="wrapper">
    <div>
      <div class="area">
        <div class="title border-topbottom">当前城市</div>
        <div class="button-list">
          <div class="button-wrapper">
            <div class="button">{{city}}</div>
          </div>
        </div>
      </div>
      <div class="area">
        <div class="title border-topbottom">热门城市</div>
        <div class="button-list">
          <div class="button-wrapper" v-for="item of hot" :key="item.id">
            <div class="button">{{item.name}}</div>
          </div>
        </div>
      </div>
      <div class="area" v-for="(item, key) of cities" :key="key" :ref="key">
        <div class="title border-topbottom">{{key}}</div>
        <div class="item-list">
          <div class="item border-bottom" v-for="innerItem of item" :key="innerItem.id">{{innerItem.name}}</div>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import Bscroll from 'better-scroll'
export default{
  name: 'CityList',
  props: {
    city: String,
    cities: Object,
    hot: Array,
    letter: String

  },
  mounted () {
    this.scroll = new Bscroll(this.$refs.wrapper)
  },
  watch: {
    letter () {
      // console.log(this.letter)
      if (this.letter) {
        const element = this.$refs[this.letter][0]
        this.scroll.scrollToElement(element)
      }
    }
  }
}
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  .border-topbottom
      &:before
        border-color:#ccc
      &:after
        border-color:#ccc
    .border-bottom
      &:before
        border-color:#ccc
  .list
    position:absolute
    top:1.58rem
    left:0
    right:0
    bottom:0
    overflow:hidden
    .title
      line-height:.54rem
      background:#eee
      padding-left:.2rem
      color:#666
      fonr-size:.26rem
    .button-list
      overflow:hidden
      padding:.1rem .6rem .1rem .1rem
      .button-wrapper
        float:left
        width:33.33%
        .button
          padding:.1rem 0
          text-align:center
          margin:.1rem
          border:.02rem solid #ccc
          border-radius:.06rem
    .item-list
      .item
        line-height:.76rem
        color:#666
        padding-left:.2rem

</style>
